GoPro HERO3+ Dive Filter for Standard Housing (Magenta) (GoPro Official Accessory)Turn a dark, murky lagoon into a crisp, color corrected undersea paradise with a little help from the GoPro Magenta Dive Filter. Meant especially for green water, the magenta filter keeps your footage from looking like it was shot through neon slime, so you don't have to rely on post production work to get vibrant, accurate color.